MARINE PRODS CORP

Ticker: MPX CUSIP: 568427108 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q2 2023

Shares 2,197 Value ($000) $37 Avg Close $11.83 Range $9.78 - $13.62

Q2 2021

Shares 100 Value ($000) $2 Avg Close $12.29 Range $11.34 - $13.91

Q1 2021

Shares 25,533 Value ($000) $415 Avg Close $12.48 Range $10.34 - $14.14

Q4 2013

Shares 760 Value ($000) $8 Avg Close $5.46 Range $4.75 - $6.18

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	2,197	$37	$11.83	$9.78 - $13.62
Q2 2021	100	$2	$12.29	$11.34 - $13.91
Q1 2021	25,533	$415	$12.48	$10.34 - $14.14
Q4 2013	760	$8	$5.46	$4.75 - $6.18